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CONDITIONS FOR TEACHING STUDENTS THE SUBJECT
“
AUTOMATED CONTROL AND MEASURING INSTRUMENTS
”
BASED
ON COMPUTER MODELING
Sirojov Burxon Shodiyevich
Qarshi davlat texnika universiteti katta
oʻqituvchisi
Abstract.
This article provides students with the main components of modeling
skills for practical and laboratory classes, methods of their development. Through the
study of new methodologies and programs, innovative solutions corresponding to the
areas studied by students, methods of applying new approaches in the processes of
analysis and optimization are presented.
Keywords
: modeling, artificial intelligence, skill, system, insert, syndicate,
swot, smart, matlab, etc.
For the effective teaching of the discipline "Automated Control and Measuring
Instruments," it is necessary to ensure certain conditions. These conditions are aimed
at conveying the content of the subject to students, expanding the possibilities of
using computer modeling technologies, and developing students' practical skills.
The following main conditions can be distinguished:
Material and technical base:
- Providing students with modern computers and corresponding software.
Providing students with modern computers and corresponding software is
important not only for the effective organization of the educational process, but also
for the development of their technical skills. The following factors should be taken
into account in this process:
1. Technical capabilities of computers:
Modern computers must be equipped with high-speed processors, large RAM,
and graphics cards.
- Appropriate technical specifications are required for efficient software launch
and analysis of large-scale models.
2. Software selection:
- Technical description and compatibility: Each software must meet the
requirements of the curriculum and allow students to model real technical problems.
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- Licensing and adaptation for learning: Obtaining programs for use by students
through an official license or implementing free versions intended for educational
purposes.
3. Infrastructure:
- Classrooms must be equipped with modern computer technology and all the
necessary tools for the convenient organization of the educational process.
- Ensuring uninterrupted access to the Internet, since many programs require the
use of online resources.
4. Software for practical classes:
- Installation of special programs for computer modeling (for example,
MATLAB, AutoCAD, SolidWorks, or LabVIEW).
- Use of virtual laboratories and simulation programs.
5. Technical support:
- Creation of a special group for technical maintenance and prompt problem-
solving.
- Conducting short courses or trainings to teach students how to use
technologies.
At the same time, the provided computer and software tools should increase the
interactivity and creativity of the educational process, as well as serve to strengthen
the practical knowledge of students. This condition ensures high effectiveness in the
learning process.
Equipping training laboratories with special tools designed for the development
of software models of automated control and measuring instruments.
Equipping educational laboratories with special tools designed for the
development of software models of automated control and measuring instruments
contributes to the transformation of students' theoretical knowledge into practical
skills. For the effective organization of this process, the following should be carried
out:
Selection of special means: Sensors and measuring equipment: Sensors designed
to measure various parameters (pressure, temperature, voltage, etc.) and the necessary
interfaces for working with them.
- DAQ (Data Acquisition) systems: Special modules used for data collection and
analysis (for example, systems based on National Instruments or Arduino).
- Educational equipment: Equipment designed for students to test the systems
they are modeling in a real environment.
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The selection and equipping of educational equipment plays an important role in
consolidating students' theoretical knowledge with practice. This process allows
students to test the systems they are modeling in a real environment. Below we
present important aspects of the organization and use of these tools:
Equipment in accordance with the requirements and objectives
- Functional compatibility: Educational equipment must correspond to the topics
studied by students. For example, measuring devices (voltmeters, ammeters, sensors)
or real models of automation systems.
- Multi-functionality: Equipment should have flexible platforms that allow
testing several different technologies.
Modeling and Testing Tools
- Sensors and actuators: Sensors and actuators used to measure and control
temperature, pressure, flow, and voltage.
Electronic components: Microprocessors, controllers (Arduino, Raspberry Pi)
and other devices with programming capabilities.
Measuring equipment: Multimeters, oscilloscopes, and additional devices for
signal analysis.
Real-time systems
- Simulation of real equipment: Using shortened or modified versions of real
equipment in the laboratory to test systems modeled by students.
- Automated measurement systems: The collection and analysis of data in real
time using automated systems connected to a computer.
Interface and software compatibilit. Equipment must be interconnected with the
computer and integrated into software environments such as MATLAB and
LabVIEW.
- It is important to have graphical interfaces for visualizing measurement results.
Mobile and flexible platforms
- Laboratory equipment should be portable or easily portable.
- Portable measuring instruments designed for small groups or individual
students.
Laboratories adapted for practice
- The equipment allows students to participate in practical work and test their
models using real technologies.
- Students will have the opportunity to analyze the measurement indicators of
the systems they have modeled by comparing them with the results obtained from
real devices.
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Educational support manuals and methodological materials
- Explanatory guides for each piece of equipment and programs designed for
completing educational tasks.
- Availability of videos and manuals for students to use during laboratory
classes.
Proper use of educational equipment allows students to practically study the
principles of operation of control and measurement systems, develop and test control
mechanisms. This will help them acquire the knowledge and skills necessary in their
future professional activities.
Virtual environment and software:
Simulation programs: modeling the operation of measuring instruments using
MATLAB/Simulink, LabVIEW, or other programs.
The use of simulation programs in the educational process allows students to
understand the principles of operation of measuring instruments and develop skills in
modeling real systems. Below are recommendations for the selection and application
of these programs:
MATLAB/Simulink. Use: MATLAB is an ideal tool for mathematical analysis,
data processing, algorithm development, and system simulation. Simulink is
convenient for visual modeling of various physical processes and systems.
"Simulink" is a modulation tool with a visual programming environment within
the MATLAB program. It allows for the modeling, simulation, and analysis of
systems. Simulink mainly has the following features:
Working based on a flowchart: Simulink models systems and processes using
flowcharts. This allows users to represent processes graphically instead of directly
entering mathematical equations.
Modeling of physical processes:
- Suitable for accurate modeling of electronics, mechanics, hydraulics, and other
systems.
- By changing various parameters, it is possible to simulate the behavior of the
system in real time.
Libraries: Simulink has a vast library of ready-made models and blocks suitable
for various fields. For example:
- Signal processing units.
- Control system components.
- Model blocks for automated systems.
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Interactive Analysis and Testing: Simulink allows users to test the operation of
systems, analyze them, and visualize the results.
Integration: Simulink is directly connected to MATLAB. This allows using
mathematical calculations in the Simulink model or placing MATLAB codes in
Simulink blocks.
Therefore, in the context containing the word "Simulink," it should be
understood as a MATLAB modeling tool with a graphical interface. This tool can be
easily modeled for complex systems and applied in various fields.
- Practical aspects:
- Creation of a dynamic model of automated measuring instruments.
- Analysis of the system's response in various states by changing physical
parameters.
- Modeling the relationship between measurement and control systems.
- Advantages:
- Advanced Library and Functions.
- Possibility of interface installation with real equipment.
Summary
: Proper organization of educational and methodological support for
the development of computer modeling skills for students contributes to the
effectiveness of students' scientific and practical activities. The use of innovative
technologies, gamification, and practice-based assessment systems makes the
educational process more effective and interesting. Periodic monitoring and an
individual approach play an important role in monitoring the development of
students. To make the educational process more effective and high-quality, it is
necessary to improve the qualifications of teachers.
References:
1.
Virginia Ivanov Sisteme integrate de monitorizare si control pentru
2.
echipamente electrice, Editura Universitaria, Craiova, 2008Tudor Ciuru,
Echipamente Moderne de Automatizare si Utilaje
3.
Tehnologice Industriale.
Îndrumar
de documentare, programare si aplicare
practica. Editura Tehnica
–
INFO, Chisinau 2009.
4.
https://new.siemens.com/global/en/products/automation/systems/indu
strial/plc/simatic-s7-1500.html (accessed at 10.10.2018)
